Issue Description
macOS shows “You do not have permission” when accessing files or apps.
Common Causes
- Incorrect file ownership
- Corrupt permissions
- Migration issues
Step-by-Step Solution
Step 1: Check File Permissions
- Right-click file/folder → Get Info
- Review Sharing & Permissions
Step 2: Unlock and Modify Permissions
- Click lock icon → enter admin password
- Add your user → set Read & Write
Step 3: Apply to Enclosed Items
- Click gear icon → Apply to enclosed items
Step 4: Repair Disk Permissions
- Boot into Recovery
- Run Disk Utility → First Aid
Explore Further
- Use Terminal chmod cautiously
Prevention & Best Practices
Avoid manually changing system folder permissions.